diff --git a/templates/index.html b/templates/index.html
index eae3df197635c7909a78091ab4c46534b405e709..f2f79a2eaee0f677fbcd45f6984cbd305f835380 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -57,7 +57,7 @@
                 <div class="info-board info-board-primary">
                   <h4>Important info</h4>
                   <p>
-                    When you use the reference instance at sade.textgrid.de, we do not guarante for any sustainability. We <em>may</em> wipe all the data there when we upgrade the software.
+                    When you use the reference instance at sade.textgrid.de, we do not guarantee for any sustainability. We <em>may</em> wipe all the data there when we upgrade the software.
                     With the modularized system it will become more easy to stay up to date with the current development, but it requires at least «some» code merge.
                   </p>
                 </div>